/* USER CODE BEGIN Header */
/**
  ******************************************************************************
  * @file           : main.c
  * @brief          : Main program body
  ******************************************************************************
  * @attention
  *
  * Copyright (c) 2024 STMicroelectronics.
  * All rights reserved.
  *
  * This software is licensed under terms that can be found in the LICENSE file
  * in the root directory of this software component.
  * If no LICENSE file comes with this software, it is provided AS-IS.
  *
  ******************************************************************************
  */
/* USER CODE END Header */
/* Includes ------------------------------------------------------------------*/
#include "main.h"
#include "dma.h"
#include "iwdg.h"
#include "spi.h"
#include "tim.h"
#include "usart.h"
#include "gpio.h"

/* Private includes ----------------------------------------------------------*/
/* USER CODE BEGIN Includes */
#include "24l01.h"
#include <string.h>
#include "stdio.h"
#include "flash_use.h"
/* USER CODE END Includes */

/* Private typedef -----------------------------------------------------------*/
/* USER CODE BEGIN PTD */

/* USER CODE END PTD */

/* Private define ------------------------------------------------------------*/
/* USER CODE BEGIN PD */

/* USER CODE END PD */

/* Private macro -------------------------------------------------------------*/
/* USER CODE BEGIN PM */

/* USER CODE END PM */

/* Private variables ---------------------------------------------------------*/

/* USER CODE BEGIN PV */
uint8_t txdata[32]={1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32};;
uint8_t rxdata[32];
uint8_t rx_len;
//DMA_HandleTypeDef hdma_usart1_rx;
//DMA_HandleTypeDef hdma_usart1_tx;
	
/* USER CODE END PV */

/* Private function prototypes -----------------------------------------------*/
void SystemClock_Config(void);
/* USER CODE BEGIN PFP */

/* USER CODE END PFP */

/* Private user code ---------------------------------------------------------*/
/* USER CODE BEGIN 0 */
//void HAL_SPI_TxRxCpltCallback(SPI_HandleTypeDef *hspi)
//{
//	HAL_SPI_DMAStop(hspi);
//}
	
void HAL_UARTEx_RxEventCallback(UART_HandleTypeDef *huart, uint16_t Size)
{
	__HAL_UART_ENABLE_IT(&huart1, UART_IT_ERR);
	NRF24L01_TX_Mode();
	NRF24L01_TxPacket(txdata, Size);
	NRF24L01_RX_Mode(); 
	HAL_UARTEx_ReceiveToIdle_DMA(&huart1, txdata, 32);
}

void HAL_UART_ErrorCallback(UART_HandleTypeDef *huart)
{
	__HAL_UART_CLEAR_FLAG(huart, UART_CLEAR_OREF);
	HAL_UARTEx_ReceiveToIdle_DMA(&huart1, txdata, 32);
}
/* USER CODE END 0 */

/**
  * @brief  The application entry point.
  * @retval int
  */
int main(void)
{

  /* USER CODE BEGIN 1 */

  /* USER CODE END 1 */

  /* MCU Configuration--------------------------------------------------------*/

  /* Reset of all peripherals, Initializes the Flash interface and the Systick. */
  HAL_Init();

  /* USER CODE BEGIN Init */

  /* USER CODE END Init */

  /* Configure the system clock */
  SystemClock_Config();

  /* USER CODE BEGIN SysInit */

  /* USER CODE END SysInit */

  /* Initialize all configured peripherals */
  MX_GPIO_Init();
  MX_DMA_Init();
  MX_SPI1_Init();
  MX_USART1_UART_Init();
  MX_IWDG_Init();
  MX_TIM14_Init();
  /* USER CODE BEGIN 2 */
	uint32_t time[3] = {0};

	NRF24L01_TX_Mode();
	NRF24L01_TxPacket(txdata, (uint8_t) 32); //尝试发送空包数据，确保发送功能正常
	
	NRF24L01_RX_Mode();//切换进入接受模式，后续正常运行时一直保持在接受模式下
	HAL_GPIO_WritePin(GPIOA, GPIO_PIN_1, GPIO_PIN_SET);//改变GPIO状态确保正确上电
	HAL_UARTEx_ReceiveToIdle_DMA(&huart1, txdata, 32);//开启串口空闲中断接收
	time[0] = HAL_GetTick();
	time[1] = time[0];
	time[2] = time[1];
	uint8_t readData[4];
  Save_Configuration();  
  FLASH_ReadData(0x08003C00, readData, sizeof(readData));
  HAL_UART_Transmit(&huart1, readData, sizeof(readData), 100);
//	__HAL_DMA_DISABLE_IT(&hdma_usart1_rx, DMA_IT_HT);
  /* USER CODE END 2 */

  /* Infinite loop */
  /* USER CODE BEGIN WHILE */
  while (1)
  {
		time[0] = HAL_GetTick();
    /* USER CODE END WHILE */

    /* USER CODE BEGIN 3 */
	
		
		while(NRF24L01_Check());//时刻检验nRF24L01模块是否在线，若卡死于此处证明模块不在线，可能是初始化错误或硬件焊接问题

		while(NRF24L01_IRQ != GPIO_PIN_RESET)//nRF24L01模块正常状态下IRQ保持为高电平，当且仅当触发TX_OK或RX_OK或MX_TX时会触发IRQ为低电平
			{
			HAL_IWDG_Refresh(&hiwdg);//持续喂狗
//			HAL_GPIO_TogglePin(GPIOA, GPIO_PIN_1);
		}
			//此处代码严格来讲不太好，在while里阻塞运行检测代码，性能上很浪费，但现在能跑就先别管吧
		if(NRF24L01_RxPacket(rxdata) == 0){
			rx_len = NRF24L01_Read_Reg(R_RX_PL_WID);
			HAL_GPIO_WritePin(GPIOA, GPIO_PIN_1, GPIO_PIN_RESET);
			HAL_UART_Transmit_DMA(&huart1, rxdata, rx_len);
		}
		


  }
  /* USER CODE END 3 */
}

/**
  * @brief System Clock Configuration
  * @retval None
  */
void SystemClock_Config(void)
{
  RCC_OscInitTypeDef RCC_OscInitStruct = {0};
  RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};
  RCC_PeriphCLKInitTypeDef PeriphClkInit = {0};

  /** Initializes the RCC Oscillators according to the specified parameters
  * in the RCC_OscInitTypeDef structure.
  */
  RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSI|RCC_OSCILLATORTYPE_LSI;
  RCC_OscInitStruct.HSIState = RCC_HSI_ON;
  RCC_OscInitStruct.HSICalibrationValue = RCC_HSICALIBRATION_DEFAULT;
  RCC_OscInitStruct.LSIState = RCC_LSI_ON;
  RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
  RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSI;
  RCC_OscInitStruct.PLL.PLLMUL = RCC_PLL_MUL12;
  RCC_OscInitStruct.PLL.PREDIV = RCC_PREDIV_DIV1;
  if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
  {
    Error_Handler();
  }

  /** Initializes the CPU, AHB and APB buses clocks
  */
  RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK|RCC_CLOCKTYPE_SYSCLK
                              |RCC_CLOCKTYPE_PCLK1;
  RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
  RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
  RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV1;

  if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_1) != HAL_OK)
  {
    Error_Handler();
  }
  PeriphClkInit.PeriphClockSelection = RCC_PERIPHCLK_USART1;
  PeriphClkInit.Usart1ClockSelection = RCC_USART1CLKSOURCE_PCLK1;
  if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInit) != HAL_OK)
  {
    Error_Handler();
  }
}

/* USER CODE BEGIN 4 */
int fputc(int ch,FILE *f)
{
	HAL_UART_Transmit(&huart1,(uint8_t *)&ch,1,0xffff);
	return ch;
}
/* USER CODE END 4 */

/**
  * @brief  This function is executed in case of error occurrence.
  * @retval None
  */
void Error_Handler(void)
{
  /* USER CODE BEGIN Error_Handler_Debug */
  /* User can add his own implementation to report the HAL error return state */
  __disable_irq();
  while (1)
  {
  }
  /* USER CODE END Error_Handler_Debug */
}
#ifdef USE_FULL_ASSERT
/**
  * @brief  Reports the name of the source file and the source line number
  *         where the assert_param error has occurred.
  * @param  file: pointer to the source file name
  * @param  line: assert_param error line source number
  * @retval None
  */
void assert_failed(uint8_t *file, uint32_t line)
{
  /* USER CODE BEGIN 6 */
  /* User can add his own implementation to report the file name and line number,
     ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
  /* USER CODE END 6 */
}
#endif /* USE_FULL_ASSERT */
